#include <iostream>
#include <fstream>
using namespace std;

int cnt[100100]={};

int main()
{
	freopen("duel.in","r",stdin);
	freopen("duel.out","w",stdout);
	
	int n;
	cin >> n;
	for(int i =0;i<n;i++)
	{
		int a;
		cin >> a;
		cnt[a]++;
	}
	int res=0;
	for(int i = 1;i<=100100;i++)
	{
		res=max(res,cnt[i]);
	}
	cout <<res << endl;
	
	
	fclose(stdin);
	fclose(stdout);
	return 0;
}
